<!DOCTYPE html>
<html class="reftest-wait">
<head>

<script>

function boom()
{
  document.getElementById("f").className = 'q';
  document.documentElement.removeAttribute("class");
}

</script>

<style>

body {
  width: 10em;
}

#f:after {
  content: "TTT";
}

</style>

</head>

<body onload="setTimeout(boom, 0);">

<span id="f">foo foo foo foo foo foo foo foo foo foo<span style="display: block"></span></span>


</div>

</body>
</html>
